Proton Elastic Scattering and Neutron Distribution of Unstable Nuclei (不安定核の構造と反応)

概要

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We study theoretically how we can determine the neutron density distributions of unstable nuclei from proton elastic scattering. We apply the relativistic impulse model to study the sensitivities of the observables to the density distributions which are expressed in Woods-Saxon form. We have already found that the both radius and diffuseness parameters of Woods-Saxon form for neutron densities could be determined from elastic scattering data; the reaction cross sections and the dip positions of differential cross sections. Since the spin-orbit potential is known to vary sharply at the nuclear surface, spin observables are expected to give the information on the behavior of nuclear surface. In this paper, we try to determine the parameters with the reaction cross sections and the dip positions of analyzing powers. As in the previous work, target nuclear proton density is provided by the relativistic mean-field theory (RMFT) which has been extended to be applied to deformed nuclei.
素粒子論グループ素粒子研究編集部の論文
2000-11-20